Cells and tissues
Cell eating
What is phagocytosis?
Cells that produce bones.
What are osteoblasts?
This system prepares the body for action and is most active during stressful situations.
What is the sympathetic system?
The three connective tissue layers covering the brain and the spinal cord.
What are the meninges?
The muscles fibers are arranged in bundles called __________
Fascicles
These little sacs contain about 40 different digestive enzymes that destroy bacteria and other foreign matter.
What are lysosomes?
Very large cells that resorb (break down) bone.
What are Osteoclasts?
Main branch of the sacral plexus and is the largest nerve in the body.
What is sciatic nerve?
The second largest part of the brain, responsible for smooth coordinated movement; helps maintain equilibrium.
What is the Cerebellum?
The immediate source of energy for muscle contraction comes from ______
ATP
The process of breaking down fuel molecules and releasing their energy.
What is cellular respiration?
Movement of the bone or limb towards the midline of the body.
What is adduction?
The ventral branches of several spinal nerves interconnect and form networks.
What are plexuses?
Part of the brain between the cerebrum and the midbrain.
What is the diencephalon?
Even when we are not moving, our muscles are in state of partial contraction known as __________
Muscle tone
Epithelial tissue that appears to be layered but is not.
What is pseudostratified epithelium?
Joints that do not permit movement.
What are synarthroses?
Works to maintain homeostatis within the body and acts on smooth muscle, cardiac muscle and glands.
What is the autonomic division?
Thin outer layer of the cerebrum, its consists of gray matter and is made up of the cell bodies and unmyelinated axons.
What is the cerebral cortex?
Muscles shorten and thicken as they contract, muscle tone remains the same. This type of contraction is known as _________
Isotonic contraction
The developing sperm and ova undergo ________, a special process which halves their number of chromosomes.
Meiosis
The coxal bones, together with the sacrum and coccyx form the __________
Pelvic girdle
The parasympathetic nerves do not innervate the_______ or ________
Blood vessels or glands
Within the CNS, bundles of axon are called _______
Tracts or pathways
Muscles that stabilize the origin of a prime mover so that its force is fully directed on the bone on which it exerts are called ___________
Fixators